<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>底部</title>
	<link rel="stylesheet" href="css/common.css">
	<style>
		.footer {
			height: 50px;
			line-height: 50px;
			background-color: #000;
			color: #fff;
			font-size: 14px;
			text-align: center;
		}
	</style>
</head>
<body>
<div class="footer">这里是底部信息</div>
</body>
</html>